An organic farmer is anyone who produces, handles or sells organic items. This person must be a registered organic grower in each county that they produce and/or grow their product. If you would like to become a certified organic grower contact your local ag department.
Follow the link below for statewide information on the California Organic Program.
http://www.cdfa.ca.gov/is/i_&_c/organic.html
Organic Registration Packet
Links
National Organic Program
National Sustainable Agriculture Information Service
Organic Farming Compliance Handbook
Organic Farming Research Foundation
Organic Materials Review Institute